CVE-2024-43463 Microsoft Office Visio Remote Code Execution Vulnerability

High 7.8 Published Updated

Attackers can execute arbitrary code by exploiting a use-after-free vulnerability in Microsoft Office Visio.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-43463?

CVE-2024-43463 is a high-severity use after free vulnerability in Microsoft 365 Apps, published on 10 Sep 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Microsoft Office Visio Remote Code Execution Vulnerability

Weakness: CWE-416

Which versions are affected by CVE-2024-43463?

It affects 4 products.

Products include Microsoft 365 Apps, Microsoft Office, Microsoft Office Long Term Servicing Channel, Microsoft Visio.

How do I fix CVE-2024-43463?

No fix has been published for CVE-2024-43463 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2024-43463 being exploited?

There is no known exploitation of CVE-2024-43463 in the wild and no public exploit code.

All Microsoft 365 Apps vulnerabilities

Sources

Also known as GHSA-8jqv-r4vx-8fp4.

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